001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.image;
043:
044: import java.awt.*;
045: import java.awt.image.*;
046: import java.awt.geom.*;
047: import java.awt.print.*;
048: import java.io.*;
049:
050: import org.openide.NotifyDescriptor;
051: import org.openide.ErrorManager;
052: import org.openide.DialogDisplayer;
053: import org.openide.cookies.PrintCookie;
054: import org.openide.text.PrintPreferences;
055: import org.openide.util.NbBundle;
056:
057: /** Printing support.
058: * Manipulations of the image to suit page size and orientation
059: * occur through the method prepareImage( PageFormat ).
060: * Subclass' override this method to honour image handling.
061: *
062: * @author michael wever [hair@netbeans.org]
063: * @author Marian Petras
064: * @version $Revision$
065: */
066: public class ImagePrintSupport implements PrintCookie, Printable,
067: ImageObserver {
068: /* associated dataObject */
069: protected ImageDataObject dataObject;
070: /* image to print */
071: protected Image image;
072: /* image to print */
073: protected RenderedImage renderedImage;
074:
075: /** Creates new ImagePrintSupport */
076: public ImagePrintSupport(ImageDataObject ido) {
077: dataObject = ido;
078: }
079:
080: /** Prepare the image to fit on the given page, within the given margins.
081: * Returns null if it were unable to prepare the image for the given page.
082: * Throws a IllegalArgumentException if the page were too small for the image.
083: **/
084: protected static RenderedImage transformImage(RenderedImage image,
085: PageFormat pf) throws IllegalArgumentException {
086: try {
087: AffineTransform af = new AffineTransform();
088: if (pf.getOrientation() == pf.LANDSCAPE) {
089: } else {
090: af.translate((double) pf.getImageableX(), (double) pf
091: .getImageableY());
092: }
093:
094: /** notify if too big for page **/
095: if (pf.getImageableWidth() - pf.getImageableX() < image
096: .getWidth()
097: || pf.getImageableHeight() - pf.getImageableY() < image
098: .getHeight())
099: throw new IllegalArgumentException(
100: "Page too small for image"); //NOI18N
101:
102: /* Translate image */
103: AffineTransformOp afo = new AffineTransformOp(af,
104: AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
105: BufferedImage o = (BufferedImage) image;
106: BufferedImage i = new BufferedImage(o.getWidth()
107: + (int) pf.getImageableX(), o.getHeight()
108: + (int) pf.getImageableY(), o.getType());
109: return afo.filter((BufferedImage) image, i);
110: } catch (Exception ex) {
111: ex.printStackTrace();
112: }
113: return null;
114: }
115:
116: /** Print the content of the object. */
117: public void print() {
118:
119: /* Try to load the image from the ImageDataObject: */
120: String errMsgKey;
121: try {
122: image = dataObject.getImage();
123: errMsgKey = (image == null) ? "MSG_CouldNotLoad" : null; //NOI18N
124: } catch (IOException ex) {
125: image = null;
126: errMsgKey = "MSG_ErrorWhileLoading"; //NOI18N
127: }
128: assert (image == null) != (errMsgKey == null);
129:
130: /* If an error occured during loading, display a message and quit: */
131: if (errMsgKey != null) {
132: displayMessage(errMsgKey, NotifyDescriptor.WARNING_MESSAGE);
133: return;
134: }
135:
136: PrinterJob job = PrinterJob.getPrinterJob();
137: Book book = new Book();
138: PageFormat pf = PrintPreferences.getPageFormat(job);
139: book.append(this , pf);
140: job.setPageable(book);
141:
142: // Print
143: try {
144: if (image instanceof RenderedImage) {
145: // Make sure not to print in the paper's margin.
146: renderedImage = transformImage((RenderedImage) image,
147: pf);
148: }
149: if (job.printDialog()) {
150: job.print();
151: }
152: } catch (PrinterAbortException e) { // user exception
153: displayMessage("CTL_Printer_Abort", //NOI18N
154: NotifyDescriptor.INFORMATION_MESSAGE);
155: } catch (Exception e) {
156: ErrorManager.getDefault().notify(e);
157: } finally {
158: renderedImage = null;
159: image = null;
160: }
161: }
162:
163: /**
164: * Displays a localized user message.
165: * It is guaranteed that the displaying routine is called from
166: * the AWT event dispatching thread.
167: *
168: * @param msgKey bundle key of the message
169: * @param msgType message type - see {@link NotifyDescriptor} fields
170: */
171: private void displayMessage(String msgKey, final int msgType) {
172: final String msg = NbBundle.getMessage(ImagePrintSupport.class,
173: msgKey);
174: java.awt.EventQueue.invokeLater(new Runnable() { // display in the awt thread
175: public void run() {
176: DialogDisplayer.getDefault().notify(
177: new NotifyDescriptor.Message(msg,
178: msgType));
179: }
180: });
181: }
182:
183: /* Implements Printable */
184: public int print(Graphics graphics, PageFormat pageFormat, int page)
185: throws PrinterException {
186: if (page != 0)
187: return Printable.NO_SUCH_PAGE;
188:
189: Graphics2D g2 = (Graphics2D) graphics;
190: if (renderedImage == null) {
191: /**
192: * most probably cause is image does not implement RenderedImage,
193: * just draw the image then.
194: **/
195: graphics.drawImage(image, (int) pageFormat.getImageableX(),
196: (int) pageFormat.getImageableY(), this );
197: } else {
198: g2.drawRenderedImage(renderedImage, new AffineTransform());
199: }
200: return Printable.PAGE_EXISTS;
201: }
202:
203: public boolean imageUpdate(java.awt.Image image, int flags,
204: int param2, int param3, int param4, int param5) {
205: return false;
206: }
207:
208: }
|